function [box]=cajas(x) 


box1=[2 114 1 30; 120 232 5 24;1 112 32 44];
box2=[1 168 1 40; 170 254 7 20;180 348 25 46];
box3=[5 257 1 22; 1 168 24 40;180 348 25 36];
box4=zeros(3,4);
box5=zeros(3,4);
box6=zeros(3,4);
box7=zeros(3,4);
box8=zeros(3,4);
box9=zeros(3,4);

box4(:,1:2)=box1(:,1:2).*2;
box5(:,1:2)=box2(:,1:2).*2;
box6(:,1:2)=box3(:,1:2).*2;

box4(:,3:4)=box1(:,3:4);
box5(:,3:4)=box2(:,3:4);
box6(:,3:4)=box3(:,3:4);

box7(:,1:2)=box4(:,1:2).*2;
box8(:,1:2)=box5(:,1:2).*2;
box9(:,1:2)=box6(:,1:2).*2;

box7(:,3:4)=box4(:,3:4);
box8(:,3:4)=box5(:,3:4);
box9(:,3:4)=box6(:,3:4);

switch x
    case 1
        box=box1;
    
    case 2
        box=box2;
        
    case 3
        box=box3;
        
    case 4
        box=box4;
        
    case 5
        box=box5;
        
    case 6
        box=box6;
        
    case 7
        box=box7;
        
    case 8
        box=box8;
        
    case 9
        box=box9;
end
